64328875

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1277}}^1$

素因数の和:1336

約数の個数: 32

約数和(自身を含む): 89316864

約数和(自身を除く): 24987989

約数列:

[1, 5, 13, 25, 31, 65, 125, 155, 325, 403, 775, 1277, 1625, 2015, 3875, 6385, 10075, 16601, 31925, 39587, 50375, 83005, 159625, 197935, 415025, 514631, 989675, 2075125, 2573155, 4948375, 12865775, 64328875]

約数ペア:

[(1, 64328875), (5, 12865775), (13, 4948375), (25, 2573155), (31, 2075125), (65, 989675), (125, 514631), (155, 415025), (325, 197935), (403, 159625), (775, 83005), (1277, 50375), (1625, 39587), (2015, 31925), (3875, 16601), (6385, 10075)]